I love turning overripe bananas into something irresistible—these Fudgy Banana Brownies are dense, chocolatey, and sneaky-good at using up fruit. They combine mashed ripe bananas with dark chocolate and cocoa for a moist, almost molten center that stays fudgy after cooling. After testing variations, I keep coming back to this balance of banana sweetness and deep chocolate; it’s become a go-to when my bananas get too spotted.
Why Make This Recipe
- You turn overripe bananas into a rich, chocolate dessert rather than tossing them, cutting food waste and saving money.
- The texture is fudgy, not cakey—if you like brownies with a gooey center, this delivers every time.
- They’re quick to mix and bake (about 30 minutes total), perfect for weeknight baking or last-minute guests.
- These brownies pair well with coffee, ice cream, or lunchboxes, making them versatile for many occasions.
- I love this recipe because the banana adds natural sweetness and moisture, so I use less added sugar than in standard brownies; that tweak keeps the flavor balanced and the crumb dense.
I also often compare desserts when testing; for a chewy, chocolate-forward contrast, I sometimes serve these alongside a classic like the best Toll House cookie pie for variety.
Recipe Overview
Prep time: 10 minutes.
Cook time: 22–26 minutes at 350°F (175°C).
Total time: 35 minutes including cooling.
Servings: 9 squares (8×8-inch pan).
Difficulty: Easy.
Method: Combine wet ingredients (mashed bananas, melted chocolate, eggs), fold in dry (flour, cocoa, salt), pour into a parchment-lined 8×8 pan, and bake until edges are set but center jiggles slightly.
My Experience Making This Recipe
I tested these brownies with both dark chocolate and unsweetened cocoa; adding chopped chocolate gives pockets of molten richness. My biggest discovery was using slightly underbaked timing (22–24 minutes) to keep a fudgy center—overbake by even 3–4 minutes and they move from fudgy to cakey.
How to Make Fudgy Banana Brownies
Start by mashing 1 to 1 1/4 cups very ripe mashed banana (about 2–3 medium bananas) until smooth. Melt 4 ounces of dark chocolate with 4 tablespoons butter or coconut oil, then whisk with 2 large eggs, 1/2 cup brown sugar, and 1 teaspoon vanilla. Fold in 1/2 cup all-purpose flour, 1/4 cup unsweetened cocoa powder, 1/2 teaspoon baking powder, and a pinch of salt; gently stir until combined and fold in 2–3 tablespoons chopped chocolate or walnuts if using. Pour into an 8×8-inch pan lined with parchment and bake at 350°F (175°C) for 22–26 minutes; cool at least 20 minutes before slicing to set the fudgy interior.
Expert Tips for Success
- Use very ripe bananas (lots of brown speckles) for maximum sweetness and moisture; underripe bananas dilute flavor.
- Melt chocolate gently over a double boiler or in 20-second microwave bursts, stirring between intervals to prevent scorching.
- Line the pan with parchment overhang for easy removal and cleaner edges—this also helps the brownies cool evenly.
- Check doneness with a toothpick: look for a few moist crumbs, not a clean pick—remove at the moist-crumb stage for fudgy results.
- For even baking, rotate the pan halfway through and use an oven thermometer to confirm 350°F; many home ovens run 10–25°F high or low, which changes texture.
In testing, I compared mix-ins and found that a handful of chopped dark chocolate keeps molten pockets, while nuts add structure—both are great choices depending on the texture you want, similar to pairing techniques I use with other comfort dishes like cheesy au gratin potatoes where contrast matters.
How to Serve Fudgy Banana Brownies
- Serve warm with a scoop of vanilla ice cream and a drizzle of chocolate sauce for an indulgent dessert.
- Dust with cocoa or powdered sugar and add toasted walnuts on top for a simple presentation.
- Cut into squares and pack in lunchboxes or serve with espresso for an after-dinner bite.
- For parties, arrange on a platter with fruit like sliced bananas or berries to highlight the banana-chocolate pairing—this contrast lifts the flavors.
Storage and Reheating Guide
Store brownies at room temperature in an airtight container for up to 3 days; place parchment between layers to prevent sticking. Refrigerate up to 7 days if your kitchen is warm—bring to room temperature before serving to soften the center. Freeze individually wrapped squares in plastic wrap then foil for up to 3 months; thaw overnight in the fridge and warm for 10–15 seconds in the microwave or 6–8 minutes at 325°F (160°C) to refresh texture.
Recipe Variations
- Gluten-free: Substitute 1:1 gluten-free flour blend and add 1–2 tablespoons extra banana or a teaspoon of xanthan gum if your blend lacks binders.
- Dairy-free / vegan: Use coconut oil for butter, a flax “egg” (1 tbsp ground flax + 3 tbsp water per egg, soaked 5 minutes), and dairy-free dark chocolate.
- Nutty banana brownies: Fold 1/2 cup toasted chopped walnuts or pecans into the batter for crunch and flavor contrast.
- Peanut butter swirl: Drop 2 tablespoons warm peanut butter on top and swirl with a knife before baking for a salty-sweet twist similar to pairing techniques found in recipes like creamy shrimp macaroni salad where texture and flavor layering count.
Nutritional Highlights
- Bananas add potassium and natural sugars, which contribute moisture and reduce the need for added sugar.
- Using dark chocolate increases antioxidant content compared with milk chocolate; portion control matters—one square is a sensible serving.
- Allergen note: Contains eggs and gluten by default; add dairy if you use butter or milk chocolate. See variations for gluten-free and vegan adaptations.
Troubleshooting Common Issues
- Too cakey crumb: You likely overbaked. Next time reduce bake time by 3–4 minutes and check for moist crumbs with a toothpick.
- Soggy center after cooling: The pan may have been too small or batter too thin—use an 8×8 pan and measure carefully, and ensure your oven reached 350°F with an oven thermometer.
- Bitter banana flavor: Use fully ripe bananas; underripe fruit tastes starchy and bitter when baked. Mash well to distribute banana flavor evenly.
Frequently Asked Questions
Q: Can I use frozen mashed banana?
A: Yes—thaw completely and drain any excess liquid; if the mixture seems watery, pat the thawed mash in a sieve or add 1–2 tablespoons extra flour or cocoa to balance moisture before mixing.
Q: Can I make these in a 9×9 pan instead of 8×8?
A: You can, but expect slightly thinner brownies and a shorter bake time (reduce by 3–5 minutes). Keep an eye on the middle and remove when a toothpick shows moist crumbs.
Q: How do I keep brownies from sticking to the pan?
A: Line the pan with parchment with an overhang on two sides, and lightly butter or spray the exposed pan edges; the overhang makes pulling the whole slab out easy for clean slicing.
Q: Can I add chocolate chips or nuts, and how much?
A: Yes—stir in 1/3 to 1/2 cup chocolate chips or chopped nuts folded gently at the end to avoid deflating the batter; for chopped nuts, toasting them briefly boosts flavor. For more sweet-bakery inspiration and techniques I trust, I sometimes reference recipes like these best blueberry muffins when developing texture and mix-in ideas.
Fudgy Banana Brownies
- Total Time: 35 minutes
- Yield: 9 squares 1x
- Diet: Vegetarian
Description
Dense, chocolatey brownies made with overripe bananas, perfect for a rich dessert.
Ingredients
- 1 to 1 1/4 cups very ripe mashed banana (about 2–3 medium bananas)
- 4 ounces dark chocolate
- 4 tablespoons butter or coconut oil
- 2 large eggs
- 1/2 cup brown sugar
- 1 teaspoon vanilla extract
- 1/2 cup all-purpose flour
- 1/4 cup unsweetened cocoa powder
- 1/2 teaspoon baking powder
- A pinch of salt
- 2–3 tablespoons chopped chocolate or walnuts (optional)
Instructions
- Mash the ripe bananas in a bowl until smooth.
- Melt dark chocolate with butter or coconut oil and whisk with eggs, brown sugar, and vanilla.
- Fold in the flour, cocoa powder, baking powder, and salt until combined.
- Gently stir in chopped chocolate or walnuts, if using.
- Pour the batter into a parchment-lined 8×8-inch pan.
- Bake at 350°F (175°C) for 22–26 minutes until the edges are set and the center jiggles slightly.
- Cool for at least 20 minutes before slicing for a fudgy texture.
Notes
For a fudgier texture, remove from the oven at the moist-crumb stage. Use very ripe bananas for maximum sweetness.
- Prep Time: 10 minutes
- Cook Time: 26 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 square
- Calories: 200
- Sugar: 12g
- Sodium: 180mg
- Fat: 10g
- Saturated Fat: 4g
- Unsaturated Fat: 5g
- Trans Fat: 0g
- Carbohydrates: 25g
- Fiber: 2g
- Protein: 3g
- Cholesterol: 30mg